[erledigt] Design CSS : Wie mache ich rechts eine box?

/* Titel rechte Box */
#sidebar_heading {
padding:5px;
color:#FFFFFF;
font-size:14px;
font-family:arial;
text-align:center;
background-color:#000000;
border:1px solid #F2F2F2;}

/* Rechte Box */
#sidebar_container {
position:absolute;
left:50%;
top:140px;
margin-left:295px;
width:180px;
height:400px;
padding:5px;
color:#FFFFFF;
font-size:13px;
font-family:arial;
background-color:#343434;
background-image:url();
border:1px solid #F2F2F2;
overflow:auto;}